Earth & Environmental Sciences
selenium
100%
tellurium
62%
pyrite
50%
trace element
44%
mineralization
36%
coal
35%
shale
30%
black shale
28%
chert
25%
Dalradian
22%
sulfide
22%
protolith
19%
gold
18%
geochemistry
18%
rare earth element
17%
oxygenation
17%
thermal maturity
17%
mobilization
16%
sandstone
15%
oil
15%
arsenic
15%
ore
14%
uranium
13%
element mobility
13%
assimilation
13%
thermal spring
12%
granite
12%
oxide
12%
Precambrian-Cambrian boundary
12%
syneresis
11%
copper
11%
country rock
11%
oxic sediment
11%
ice rafting
11%
ice-rafted debris
10%
barite
10%
base metal
10%
emplacement
10%
fluid
10%
groundwater
10%
manganese
10%
siltstone
10%
graphite
10%
bedrock
10%
Caledonian orogeny
9%
compartmentalization
9%
anoxic sediment
9%
Coal Measures
9%
monazite
9%
carbon
9%
Engineering & Materials Science
Selenium
68%
Shale
40%
Pyrites
28%
Trace elements
26%
Coal
26%
Gold
16%
Inductively coupled plasma mass spectrometry
14%
Deposits
14%
Groundwater
13%
Tellurium
12%
Copper mines
11%
Organic carbon
11%
Arsenic
11%
Landslides
10%
Monazite
9%
Sediments
9%
Prisms
9%
Uranium
8%
Hot springs
8%
Isotopes
8%
Precipitates
7%
Excavation
7%
Metals
7%
Carbonaceous shale
7%
Fluorine
7%
Granite
6%
Sulfur
5%
Fluids
5%
Chemical Compounds
Pyrite
37%
Geochemistry
21%
Coal
18%
Black
13%
Mining
11%
Organic Carbon
10%
Ecosystem
9%
Groundwater
9%
Sulfide
8%
Prismatic Crystal
8%
Nutrient
8%
Inductively Coupled Plasm Mass Spectrometry (ICPMS)
7%
Collision
7%
Surface
7%
Sulfide Ores
6%
Phosphate Mineral
6%
Toxic
5%
Oxide
5%
Compound Mobility
5%
Graphite
5%
Sulfate
5%